CN208375012U - A kind of liquid metal burnishing device that electrode moves up and down - Google Patents

A kind of liquid metal burnishing device that electrode moves up and down Download PDF

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Publication number
CN208375012U
CN208375012U CN201820760619.6U CN201820760619U CN208375012U CN 208375012 U CN208375012 U CN 208375012U CN 201820760619 U CN201820760619 U CN 201820760619U CN 208375012 U CN208375012 U CN 208375012U
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CN
China
Prior art keywords
polishing
liquid metal
positive electrode
permanent magnet
electrode
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Expired - Fee Related
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CN201820760619.6U
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Chinese (zh)
Inventor
夏卫海
张利
傅昱斐
王亚良
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Abstract

The utility model discloses the liquid metal burnishing devices that a kind of electrode moves up and down, including station, first permanent magnet, motor, ball-screw, ball-screw seat, support plate, feed screw nut, blade, connector, positive electrode, second permanent magnet, negative electrode, liquid metal polishing fluid, polish container, workbench, fixing axle and polishing cavity, polishing container is internally provided with the polishing cavity for accommodating liquid metal polishing fluid, the two sides of polishing cavity are separately installed with the first permanent magnet and the second permanent magnet, negative electrode is arranged in the fixing axle of blade, positive electrode is vertically arranged in the surface of blade;The utility model polishes workpiece by the metal ion in polishing metal liquid, can polish subtleer surface, and the polishing precision of acquisition is higher;It is moved up and down using lead screw drive module driving positive electrode, the sine wave electric field for forming positive electrode and negative electrode is stablized in blade region, to efficiently be polished using abrasive grain to blade edge.

Description

A kind of liquid metal burnishing device that electrode moves up and down
Technical field
The utility model relates to liquid metal polishing technology fields, more specifically, more particularly to transporting above and below a kind of electrode Dynamic liquid metal burnishing device.
Background technique
Liquid metal typically refers to the alloy functional material being in a liquid state at normal temperature, such as fusing point in 30 DEG C of metals below and Its alloy material is also included within the low melting point alloy being in a liquid state in 40 DEG C~300 DEG C operation temperature areas.Liquid metal polishing fluid Polishing technology refers to when with workpiece polished surface relative motion occurs for the liquid metal polishing fluid for being mixed with abrasive material under the influence of a magnetic field When, the flexible bistrique on liquid metal polishing fluid silk ribbon generates big cutting force to polished surface, thus to workpiece polished surface It is polished.
It is processed for complex-curved processing, such as to blade, is not available traditional polishing to carry out, therefore, The method that similar abrasive Flow Machining and liquid metal are processed is come into being, however, simple liquid metal polishing or abrasive Flow add The efficiency of work is lower, and processing quality also has certain limitation, and very strong to the skill dependence of worker itself, and produces Low efficiency, the process-cycle is long, easily surface is made to generate destruction layer and metamorphic layer, and processing quality is not readily available guarantee, to processing Surface has a great impact.
Utility model content
Utility model aims to solve existing technologies, and abrasive Flow to be utilized to polish or utilize merely liquid gold merely Belong to the problem that processing efficiency is low, skill dependence is strong, the process-cycle is long caused by being polished, proposes a kind of electrode fortune up and down Dynamic liquid metal burnishing device and method.
The utility model achieves the above object through the following technical schemes: the liquid metal that a kind of electrode moves up and down is thrown Electro-optical device, including station, the first permanent magnet, motor, ball-screw, ball-screw seat, support plate, feed screw nut, blade, company Fitting, positive electrode, the second permanent magnet, negative electrode, liquid metal polishing fluid, polishing container, workbench, fixing axle and polishing chamber Body, the station and polishing container are installed on workbench;Polishing container, which is internally provided with, accommodates liquid metal polishing The polishing cavity of liquid, the two sides for polishing cavity are separately installed with the first permanent magnet and the second permanent magnet, and the first permanent magnet and Two permanent magnets are arranged in parallel vertically, and the magnetic pole in the first permanent magnet and mutually close two faces of the second permanent magnet is opposite;Blade is logical Fixing axle is crossed to be fixedly mounted on inside polishing container and be fully immersed in the liquid metal polishing fluid of polishing cavity;The negative electricity Pole is arranged in the fixing axle of blade, and for positive electrode in stick-like, positive electrode is vertically arranged in the surface of blade, polishes container upper end It is provided with circular hole, positive electrode passes through the circular hole above polishing container, and the lower end of positive electrode is immersed in liquid metal polishing fluid, just The top of electrode is fixedly connected with connector;The upper end of the polishing container is additionally provided with support plate, and motor is vertically installed at branch On fagging, the upper end of ball-screw connects motor and by motor driven, and the lower end of ball-screw is connected to by ball-screw seat Polish the top of container;Feed screw nut is additionally provided on the connector, feed screw nut is sleeved on ball-screw, motor movement When by drive ball screw turns, and then drive moved up and down in overall by what feed screw nut, connector and positive electrode formed.
Further, the negative electrode is arc-shaped, and negative electrode is attached to the lower end of the fixing axle for fixed blade.
Further, the motor connects the upper end of ball-screw by shaft coupling.
Further, the negative electrode and positive electrode are connect with station, and negative electrode and positive electrode are controlled by station Energization situation processed.Further, station is changed by changing the size of the power frequency or electric voltage frequency that flow through positive electrode The state of electric field is formed by positive electrode and negative electrode.Electric field in liquid metal polishing fluid is the folded of positive electrode and negative electrode electric field Add, so that blade edge position and liquid metal polishing fluid bottom position of the liquid metal in liquid metal polishing fluid carry out height Frequency vibration.High-frequency vibration of the liquid metal in bottom can carry the abrasive grain for falling in liquid metal polishing fluid bottom, in blade Edge high-frequency vibration can efficiently polish polishing area.
Further, positive electrode and negative electrode are formed by sine wave direction of an electric field and the first permanent magnet and the second permanent magnet The magnetic direction of formation is mutually perpendicular to.
Further, the liquid metal polishing fluid is the liquid metal polishing fluid for including abrasive grain.
Further, the liquid metal in the liquid metal polishing fluid is one of gallium ion, rubidium ion, cesium ion Or several compound.The liquid metal typically refers to the alloy functional material being in a liquid state at normal temperature, if fusing point is at 30 DEG C Metal and its alloy material below are also included within the low melting point alloy being in a liquid state in 40 DEG C~300 DEG C operation temperature areas, and It is mixed with abrasive grain.
A kind of liquid metal polishing method that electrode moves up and down, includes the following steps:
Step 1: blade is fixedly mounted on inside polishing container by fixing axle, the two sides for polishing container mention respectively Before the first permanent magnet and the second permanent magnet are housed, the first permanent magnet and the second permanent magnet are vertically arranged, and are parallel to each other, first Permanent magnet and the magnetic pole in opposite two faces of the second permanent magnet are on the contrary, the first permanent magnet and the second permanent magnet shape in polishing container At stable magnetic field;
Step 2: negative electrode is fixed in the fixing axle of blade, and the liquid metal polishing fluid for being mixed with abrasive grain is poured into It polishes in container, until submerging the part that entire blade needs to process;
Step 3: the top cover of polishing container is covered, polishes and is provided with through-hole on the top cover of container, stick-like positive electrode is inserted Entering into the through-hole that is arranged on the top cover of polishing container, positive electrode lower end, which enters, to be mixed in the liquid metal polishing fluid of abrasive grain, And the upper end of positive electrode connects the lead screw drive module that positive electrode can be driven to move up and down, lead screw drive module is by ball wire Thick stick, feed screw nut, motor, shaft coupling, connector and support plate composition;
Step 4: controlling positive electrode by station and negative electrode be powered, and makes negative electrode and positive electrode in polishing container Form stable sine wave electric field;
Step 5: starting motor is constituted using motor, ball-screw, feed screw nut, shaft coupling, connector and support plate The lead-screw driving device driving positive electrode of positive electrode move up and down in the vertical direction, until what positive electrode and negative electrode were formed Sine wave electric field is stablized in the region where blade;Sine wave electric field and the first permanent magnet that positive electrode and negative electrode are formed and The magnetic field that second permanent magnet is formed combines, so that liquid metal ion is in the region where the blade in liquid metal polishing fluid Carry out high-frequency vibration;Liquid metal carries the abrasive grain being blended in inside liquid metal polishing fluid in high-frequency vibration and moves together, Abrasive grain needs the region polished efficiently to be polished in blade.
The utility model has the beneficial effects that:
(1) the utility model polishes workpiece by the metal ion in polishing metal liquid, and metal-polishing liquid can be with Subtleer surface is polished, the polishing precision of acquisition is higher.
(2) the utility model polishes blade by being mixed with the liquid metal polishing fluid of abrasive grain, liquid metal ion It is moved under the action of electric and magnetic fields, and then drives the movement of the abrasive grain in liquid metal polishing fluid, pass through abrasive grain pair Blade surface is processed, and processing efficiency is improved.
(3) the utility model is moved up and down using lead screw drive module driving positive electrode, forms positive electrode and negative electrode Sine wave electric field stablize in blade region so that the metal ion high frequency of liquid metal polishing area where blade Vibration, and then the high-frequency vibration of the abrasive grain with polishing area where movable vane piece, to efficiently be carried out using abrasive grain to blade edge Polishing.
(4) the utility model polishes workpiece without specific machinery, but uses electric and magnetic fields to liquid gold Belong to directly controlling for polishing fluid, control mode is simple, and overall structure is simple, is easy maintenance.
(5) electric field is formed by positive electrode and negative electrode, two blocks of electromagnet form magnetic field, and electric and magnetic fields control is mutually tied It closes, can be realized curved surface and polished at any angle without dead angle.
Detailed description of the invention
Fig. 1 is the axonometric drawing for the liquid metal burnishing device that a kind of electrode of the utility model moves up and down.
Fig. 2 is the left view for the liquid metal burnishing device that a kind of electrode of the utility model moves up and down.
Fig. 3 is the broken section structural representation for the liquid metal burnishing device that a kind of electrode of the utility model moves up and down Figure.
In figure, 1- station, 2- positive electrode, 3- connector, 4- ball-screw, 5- ball-screw seat, 6- motor, 7- support Plate, the first permanent magnet of 8-, 9- liquid metal polishing fluid, 10- polishing cavity, 11- blade, the second permanent magnet of 12-, 13- polishing are held Device, 14- negative electrode, 15- workbench, 16- fixing axle.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, Figure 2 and Figure 3, the liquid metal burnishing device that a kind of electrode moves up and down, including station 1, the One permanent magnet 8, motor 6, ball-screw 4, ball-screw seat 5, support plate 7, feed screw nut, blade 11, connector 3, positive electrode 2, the second permanent magnet 12, negative electrode 14, liquid metal polishing fluid 9, polishing container 13, workbench 15, fixing axle 16 and polishing Cavity 10, the station 1 and polishing container 13 are installed on workbench 15;Polishing container 13 is internally provided with receiving liquid The two sides of the polishing cavity 10 of state metal-polishing liquid 9, polishing cavity 10 are separately installed with the first permanent magnet 8 and the second permanent magnet 12, and the first permanent magnet 8 and the second permanent magnet 12 are arranged in parallel vertically, the first permanent magnet 8 and the second permanent magnet 12 are mutually close Two faces magnetic pole it is opposite;Blade 11 is fixedly mounted on 13 inside of polishing container by fixing axle 16 and is fully immersed in polishing In the liquid metal polishing fluid 9 of cavity 10;The negative electrode 14 is arranged in the fixing axle 16 of blade 11, positive electrode 2 in stick-like, Positive electrode 2 is vertically arranged in the surface of blade 11, and polishing 13 upper end of container is provided with circular hole, and positive electrode 2 passes through polishing container The circular hole of 13 tops, the lower end of positive electrode 2 are immersed in liquid metal polishing fluid 9, and the top of positive electrode 2 and connector 3 are fixed Connection;The upper end of the polishing container 13 is additionally provided with support plate 7, and motor 6 is vertically installed in support plate 7, ball-screw 4 Upper end connects motor 6 and is driven by motor 6, and the lower end of ball-screw 4 is connected to the top of polishing container 13 by ball-screw seat 5 Portion;Feed screw nut is additionally provided on the connector 3, feed screw nut is sleeved on ball-screw 4, and motor 6 passes through band when moving Dynamic ball-screw 4 rotates, and then drives and moved up and down in overall by what feed screw nut, connector 3 and positive electrode 2 formed.
The negative electrode 14 is arc-shaped, and negative electrode 14 is attached to the lower end of the fixing axle 16 for fixed blade 11.
The motor 6 connects the upper end of ball-screw 4 by shaft coupling.
The negative electrode 14 and positive electrode 2 are connect with station, and negative electrode 14 and positive electrode 2 are controlled by station 1 Energization situation.
Station 1 is changed by changing the size of the power frequency or electric voltage frequency that flow through positive electrode 2 by 2 He of positive electrode The state of the formation electric field of negative electrode 14.
Positive electrode 2 and negative electrode 14 are formed by 12 shape of sine wave direction of an electric field and the first permanent magnet 8 and the second permanent magnet At magnetic direction be mutually perpendicular to.
Liquid metal polishing fluid 9 in the liquid metal fluid reservoir is the liquid metal polishing fluid 9 for including abrasive grain.Institute State the compound that the liquid metal in liquid metal polishing fluid 9 is one or more of gallium ion, rubidium ion, cesium ion.
The liquid metal polishing method that a kind of electrode carried out using above-mentioned apparatus is moved up and down, includes the following steps:
Step 1: blade 11 is fixedly mounted on inside polishing container 13 by fixing axle 16, polishes the two sides of container 13 Face is equipped with the first permanent magnet 8 and the second permanent magnet 12 in advance respectively, and the first permanent magnet 8 and the second permanent magnet 12 are vertically arranged, And be parallel to each other, the magnetic pole in the first permanent magnet 8 and opposite two faces of the second permanent magnet 12 is on the contrary, the first permanent magnet 8 and second Permanent magnet 12 forms stable magnetic field in polishing container 13;
Step 2: negative electrode 14 is fixed in the fixing axle 16 of blade 11, and the liquid metal for being mixed with abrasive grain is polished Liquid 9 pours into polishing container 13, until submerging the part that entire blade 11 needs to process;
Step 3: covering the top cover of polishing container 13, polishes and is provided with through-hole on the top cover of container 13, by stick-like positive electricity Pole 2 is inserted into the through-hole being arranged on the top cover of polishing container 13, and 2 lower end of positive electrode enters the liquid metal throwing for being mixed with abrasive grain In light liquid 9, and the upper end of positive electrode 2 connects the lead screw drive module that positive electrode 2 can be driven to move up and down, lead screw drive module It is made of ball-screw 4, feed screw nut, motor 6, shaft coupling, connector 3 and support plate 7;
Step 4: positive electrode 2 is controlled by station and negative electrode 14 is powered, is polishing negative electrode 14 and positive electrode 2 Stable sine wave electric field is formed in container 13;
Step 5: starting motor 6 utilizes motor 6, ball-screw 4, feed screw nut, shaft coupling, connector 3 and support plate 7 The lead-screw driving device driving positive electrode 2 of the positive electrode 2 of composition moves up and down in the vertical direction, until positive electrode 2 and negative electricity The sine wave electric field that pole 14 is formed is stablized in the region where blade 11;The sine wave electricity that positive electrode 2 and negative electrode 14 are formed Field is combined with the magnetic field that the first permanent magnet 8 and the second permanent magnet 12 are formed, so that liquid metal ion is polished in liquid metal The region where blade 11 in liquid 9 carries out high-frequency vibration;Liquid metal is carried in high-frequency vibration is blended in liquid metal throwing Abrasive grain inside light liquid 9 moves together, and abrasive grain needs the region polished efficiently to be polished in blade 11.
Above-described embodiment is the preferred embodiment of the utility model, is not the limit to technical solutions of the utility model System, as long as being regarded as falling into without the technical solution that creative work can be realized on the basis of the above embodiments In the rights protection scope of the utility model patent.

Claims (8)

1. the liquid metal burnishing device that a kind of electrode moves up and down, it is characterised in that: including station (1), the first permanent magnet (8), motor (6), ball-screw (4), ball-screw seat (5), support plate (7), feed screw nut, blade (11), connector (3), Positive electrode (2), the second permanent magnet (12), negative electrode (14), liquid metal polishing fluid (9), polishing container (13), workbench (15), fixing axle (16) and polishing cavity (10), the station (1) and polishing container (13) are installed in workbench (15) On;Polishing container (13) is internally provided with the polishing cavity (10) for accommodating liquid metal polishing fluid (9), polishes the two of cavity (10) Side is separately installed with the first permanent magnet (8) and the second permanent magnet (12), and the first permanent magnet (8) and the second permanent magnet (12) are perpendicular It is directly arranged in parallel, the magnetic pole in the first permanent magnet (8) two faces mutually close with the second permanent magnet (12) is opposite;Blade (11) passes through Fixing axle (16) is fixedly mounted on polishing container (13) inside and is fully immersed in the liquid metal polishing fluid of polishing cavity (10) (9) in;The negative electrode (14) is arranged in the fixing axle (16) of blade (11), and for positive electrode (2) in stick-like, positive electrode (2) is perpendicular Straight setting polishes container (13) upper end and is provided with circular hole, positive electrode (2) passes through polishing container (13) in the surface of blade (11) The circular hole of top, the lower end of positive electrode (2) are immersed in liquid metal polishing fluid (9), the top of positive electrode (2) and connector (3) it is fixedly connected;The upper end of polishing container (13) is additionally provided with support plate (7), and motor (6) is vertically installed at support plate (7) on, upper end connection motor (6) of ball-screw (4) is simultaneously driven by motor (6), and the lower end of ball-screw (4) passes through ball wire Thick stick seat (5) is connected to the top of polishing container (13);Feed screw nut, feed screw nut suit are additionally provided on the connector (3) On ball-screw (4), by driving ball-screw (4) rotation when motor (6) moves, and then drive by feed screw nut, connection What part (3) and positive electrode (2) formed moves up and down in overall.
2. the liquid metal burnishing device that a kind of electrode according to claim 1 moves up and down, it is characterised in that: described negative Electrode (14) is arc-shaped, and negative electrode (14) is attached to the lower end of the fixing axle (16) for fixed blade (11).
3. the liquid metal burnishing device that a kind of electrode according to claim 1 moves up and down, it is characterised in that: the electricity The upper end that machine (6) passes through shaft coupling connection ball-screw (4).
4. the liquid metal burnishing device that a kind of electrode according to claim 1 moves up and down, it is characterised in that: described negative Electrode (14) and positive electrode (2) are connect with station, and negative electrode (14) and positive electrode (2) are controlled energization by station (1) Situation.
5. the liquid metal burnishing device that a kind of electrode according to claim 1 moves up and down, it is characterised in that: station (1) changed by changing the size of the power frequency or electric voltage frequency that flow through positive electrode (2) by positive electrode (2) and negative electrode (14) state of electric field is formed.
6. the liquid metal burnishing device that a kind of electrode according to claim 1 moves up and down, it is characterised in that: positive electrode (2) and negative electrode (14) is formed by the magnetic that sine wave direction of an electric field and the first permanent magnet (8) and the second permanent magnet (12) are formed Field direction is mutually perpendicular to.
7. the liquid metal burnishing device that a kind of electrode according to claim 1 moves up and down, it is characterised in that: the liquid State metal-polishing liquid (9) is the liquid metal polishing fluid (9) for including abrasive grain.
8. the liquid metal burnishing device that a kind of electrode according to claim 1 moves up and down, it is characterised in that: the liquid Liquid metal in state metal-polishing liquid (9) is the compound of one or more of gallium ion, rubidium ion, cesium ion.
CN201820760619.6U 2018-05-21 2018-05-21 A kind of liquid metal burnishing device that electrode moves up and down Expired - Fee Related CN208375012U (en)

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Application Number Priority Date Filing Date Title
CN201820760619.6U CN208375012U (en) 2018-05-21 2018-05-21 A kind of liquid metal burnishing device that electrode moves up and down

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108436749A (en) * 2018-05-21 2018-08-24 浙江工业大学 A kind of the liquid metal burnishing device and method of electrode up and down motion
CN108637883A (en) * 2018-05-21 2018-10-12 浙江工业大学 A kind of continually changing liquid metal burnishing device of electric field and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108436749A (en) * 2018-05-21 2018-08-24 浙江工业大学 A kind of the liquid metal burnishing device and method of electrode up and down motion
CN108637883A (en) * 2018-05-21 2018-10-12 浙江工业大学 A kind of continually changing liquid metal burnishing device of electric field and method
CN108436749B (en) * 2018-05-21 2024-03-12 浙江工业大学 Liquid metal polishing device and method with electrode moving up and down

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Granted publication date: 20190115

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